hi m8
its both he will take you out for a couple of days with him ,then you will get all the tanks ,and every thing you need to clean cookers for the next year or so.Its really worth the money and the bloke is really kool also he will let you call him for 1 year after if you have any thing you need to ask .ps if you need his number iv still got it or if you need to ask me anything il give you my mobile
Rgs Manny